#[SPZ2-5923] [1.0.0-A5-RC2] 540k Machines and game is already lagging

35 messages · Page 1 of 1 (latest)

viscid wyvern
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I've only got one ROS MaM along with machines for all other Milestones but game is already lagging such that I need to Pause to build anything. Wonder if there is more optimization to be done?

lone grottoBOT
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Thank you for reporting this bug! Our team will review your report soon.
Feel free to add more details in follow-up messages — we're also scanning for duplicate reports automatically now.
📨 There are currently 24 reports awaiting team review. Due to the high volume, it may take a little longer for us to get to yours.

📋 Log files help us investigate issues. You can find yours here:
• Windows: %USERPROFILE%\AppData\LocalLow\tobspr Games\shapez 2\Player.log

💾 Savegame files (.spz2) are very helpful if relevant to the issue!
Export via Main Menu → Play → click the download icon on the relevant savegame.
You can also find them here:
• Windows: %USERPROFILE%/AppData/LocalLow/tobspr Games/shapez 2/

viscid wyvern
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FYI disabling Shape Previews has no affect. (Graphics set to Medium btw)

clear flame
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For me, something happened after Alpha 3 which caused various things to be slow: loading, wire editing, unpausing after wire editing, pasting.

olive kindle
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Savegames help a lot 🙂

clear flame
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Mine are either attached to my bugs or Anth has them. 😄

pseudo saffron
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[1.0-A5-RC1] 540k Machines and game is already lagging

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[1.0.0-A5-RC2] 540k Machines and game is already lagging

pseudo saffron
viscid wyvern
viscid wyvern
lone grottoBOT
viscid wyvern
olive kindle
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Have you tried disabling parallel rendering?

viscid wyvern
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Just did. Will save and reload and check...

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No difference. Still lags for one second every second (same for 'Minimum, low and Medium settings). I'm just going to assume there's something in my computer setup that won't run the game correctly, since no one else seems to have the issues I have.

olive kindle
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Hmm weird. Maybe also the next build brings some improvements

cerulean ocean
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@viscid wyvern would it be possible to get a player log for this?

pseudo saffron
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@viscid wyvern Can you supply your settings file (and the log file where this happened would be helpful too)?

viscid wyvern
lone grottoBOT
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✅ Thank you for providing further information, our team will have a look again!

viscid wyvern
lone grottoBOT
# viscid wyvern 👆
📋 Log File Analysis

Log Analysis (Player-prev.log):

  1. NullReferenceException: A null key was passed to Dictionary2.FindEntryduringBuildingConnectorData.ConnectorsOfType[TConnection], originating from OriginalConnectors.AddConnectors[TMapLayout]`. This occurred repeatedly (2 occurrences).

  2. AggregateException: Rethrown from PlacementConnectorDrawer8.DrawConnectorswrapping multipleNullReferenceExceptioninstances, propagating throughPlacementConnectorsDrawer.SetNewPlacementData`. This occurred repeatedly (2 occurrences).

  3. Exception: Trying to remove non existing building — ExtendedMapLayout.RemoveBuilding attempted to remove a ConstantSignalDefaultInternalVariant building that did not exist on the map, triggered from StagingPlacementMapExtender.ApplyChangesToMap during BunchEditScope.Dispose. This occurred many times across multiple coordinates.

  4. Exception: Failed to load background savegame — menu savegame version 1129 is below the minimum supported version 1130, thrown in BackgroundSavegameOptionsFactory.PrepareExistingMenuSavegame.

  5. BlueprintSerializationJsonException: Failed to read blueprint from C:\Users\thezo\AppData\LocalLow\tobspr Games\shapez 2\blueprints\07 Paint\12 belt Paint 1x1.spz2bp. Deserialization failed due to an inner NullReferenceException in IslandBlueprintEntryJsonConverter.ReadJson.

viscid wyvern
lone grottoBOT
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1. [SPZ2-5916] — ✨ 85% similar

Multiple failed assertion notifications are displayed when loading a specific save with 540K machines.
To Do • Priority: Critical • Fix: None

Loading a savegame containing 540K machines triggers over 20 failed assertion notifications in the console log. This occurs on the master build when importing and loading the specific save file, which takes a minute or two to load. The issue does not reproduce on Alpha 5, though both builds show multiple failed allocations at the end of the log. Expected behavior is that the game runs without errors. The issue reproduces consistently at a rate of 5 out of 5 attempts.

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2. [SPZ2-3160] — 👀 65% similar

Massive performance issues (possibly due to fluid predictions)
Done • Priority: Highest • Fix: 4 - Early Access • Resolution: Done

The game experiences severe performance issues including massive lag, FPS drops, and complete freezing that occurs suddenly during gameplay. The issue appears to be related to fluid Shape Previews on Conveyor Belts. The performance degradation is so severe it makes the game uncomfortable or unplayable. Multiple users have reported this same issue. A temporary workaround exists by switching to simple prediction mode, though this reduces the accuracy of fluid predictions.

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3. [SPZ2-3089] — 👀 60% similar

Building conflicts can cause significant lag
Done • Priority: High • Fix: 4 - Early Access • Game: 0.0.0-alpha23 • Resolution: Done

When there are a large number of Structure conflicts, significant lag occurs. The issue is triggered when copying and pasting large amounts of Structures, particularly when copying entire Space Platform contents. The lag happens because the game calculates conflicts between all overlapping Structures, even though a simpler approach of just checking if Structures exist at the same time could be used. The performance issue is noticeable with hundreds of thousands of Structures, and occurs regar...

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4. [SPZ2-4786] — 👀 58% similar

Big savefiles have very long loading times and cause the game to freeze if it's minimized while loading
To Do • Priority: Medium • Fix: 1.0 Release [1.0.0] • Game: 0.1.1

Large savegames with over 500,000 structures experience very long loading times in shapez 2. When the game is minimized during loading in borderless mode, it appears to freeze and may show a "stopped working" error message, though it will eventually load if given enough time. The loading widget stops spinning during longer loads, making players think the game has crashed. Testing showed that loading times have increased in newer builds, with borderless mode taking significantly longer when fo...
💬 Threads: [0.1.1][Windows] Freezes when quitting

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5. [SPZ2-2995] — 👀 55% similar

Game lags when zooming out or in (transition between viewmodes)
Done • Priority: High • Fix: 4 - Early Access • Game: 0.0.0-alpha23 • Resolution: Done

The game experiences lag and freezing when transitioning between view modes (Machine View, Space Platform, and Space View) in nightly builds. The lag can extend beyond one second, during which the game appears frozen but continues processing in the background, causing the camera to jump position after the freeze ends. The issue is more pronounced when scrolling with WASD during zoom transitions. Loading savegames sometimes causes the game window to crash temporarily before recovering. Autosav...

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6. [SPZ2-3206] — 👀 50% similar

Predictions still produce lag spikes
Done • Priority: High • Fix: 4 - Early Access • Game: 0.0.0-alpha23.1 • Resolution: Done

Shape Previews still cause significant performance issues and lag spikes when dragging items around in the game. The problem is triggered by having very long Space Belts (around 4000 tiles) in the Savegame, which generates excessive garbage collection taking 60ms even without deep profiling. When the Space Platform with the long belt is in view, the game becomes unplayable due to the preview calculation overhead. The lag is severe enough to make normal gameplay impossible when these condition...

Found 6 similar reports • Searched 3,196 reports • Use /check-duplicates to recheck
lone grottoBOT
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🎫 Many thanks for reporting this issue! We have created an internal ticket for further investigation and will keep you updated. The internal ticket ID is SPZ2-5923 for reference. If you want to provide further information, just comment on this thread.

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[SPZ2-5923] [1.0.0-A5-RC2] 540k Machines and game is already lagging

pseudo saffron
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@viscid wyvern Set Simulation Threads to Auto should fix the issue.

viscid wyvern
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Who'd a thunk.